1. Anonymous (1996) Microbiology of food and animal feeding stuffs—horizontal method for detection and enumeration of Listeria monocytogenes, Part 1. Detection Method. International Standard ISO 11290-1. International Organisation for Standardisation, Geneva
2. Anonymous (1998) Microbiology of food and animal feeding stuffs—horizontal method for detection and enumeration of Listeria monocytogenes, part 2. Enumeration method. International standard ISO 11290-2. International Organisation for Standardisation, Geneva
3. Anonymous (1999) Microbiology of food and animal feeding stuffs—Horizontal method for the enumeration of coagulase-positive staphylococci (Staphylococcus aureus and other species) Part 2: Technique using rabbit plasma fibrinogen agar. International Standard ISO 6888-2. International Organisation for Standardisation, Geneva
4. Anonymous (2003) Microbiology of food and animal feeding stuffs—Horizontal method for the enumeration of microorganisms—Colony-count technique at 30°C. International Standard ISO 4833. International Organisation for Standardisation, Geneva
5. Anonymous (2005) Commission Regulation (EC) No. 2073/2005 of 15 November 2005 on microbiological criteria for foodstuffs. Official Journal of the European Union L 338:1–26